Santorini weather in October
October in Santorini: nice, dry, with clean air — an excellent time to visit.
#4 of 12 months in Santorini · #183 of 604 destinations to visit in October · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Santorini climate normals — October
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 19°C / 67°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 7 mm / 0.3 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 11.3 h | |
| Wind | 30 km/h / 18 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santorini in October — FAQ
- Is October a good time to visit Santorini?
- October in Santorini: nice, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Santorini on SeasonMap's comfort score (84/100).
- What is the weather like in Santorini in October?
- In October, Santorini averages a daily high of 22°C and a low of 19.3°C, with about 6.9 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Santorini in October?
- Santorini has a mean US Air Quality Index of about 47 in October.